Stammen has been playing catch every weekday and throwing bullpen sessions twice a week at Petco Park, Kevin Acee of The San Diego Union-Tribune reports.
He said he is trying to stay in the same arm shape as he was when spring training was suspended. Stammen, who is ticketed for a middle relief role if/when the season gets underway, had a 1.80 ERA, 0.80 WHIP and 4:0 K:BB in five innings during Cactus League play.
Stammen signed a three-year, $12 million deal with the Padres on Saturday, Ken Rosenthal of The Athletic reports.
The third season of the deal is a club option, per Jon Heyman of MLB Network. The 35-year-old returns to the place where he spent the last three seasons. He posted a 3.29 ERA in 82 innings for the Padres last season, saving a career-high four games. He could remain one of the main secondary options behind Kirby Yates in the ninth inning going forward, though his drop in strikeout rate from 27.8 percent in 2018 to 21.5 percent in 2019 suggests that he could be better suited for a middle-relief role.
Stammen (7-7) was charged with the loss against the Diamondbacks on Wednesday after surrendering two runs and a pair of walks across one inning.
The right-hander came into a scoreless game in the sixth inning to replace Chris Paddack and successfully finished out the frame. Unfortunately, the seventh inning didn't go so smoothly. Stammen hit a batter and walked two before getting the boot. Ketel Marte soon took advantage by socking a grand slam, charging a pair of runs and the loss to Stammen. The 35-year-old has 27 holds this season with a 3.59 ERA and 1.02 WHIP.
Stammen (7-6) tossed two scoreless innings, allowing just a single hit while striking out a pair to earn the win in Saturday's 4-1 victory over the Giants.
Stammen did a strong job of suppressing the Giants long enough for Josh Naylor to provide a go-ahead single in the eighth inning. Kirby Yates then converted the save to make a winner of Stammen. The 35-year-old owns a 3.41 ERA and 1.23 WHIP in 71.1 innings this season, having recorded 27 holds as Yates' primary setup man.
Stammen allowed one run on two hits, taking his seventh blown save of the year in Saturday's 7-5 loss to the Braves.
Stammen allowed a game-tying solo home run to Ronald Acuna in the seventh inning of Saturday's contest. Stammen's seven blown saves dubiously lead the majors in that category, though most of them could more accurately be called "blown holds." He has a serviceable 3.94 ERA and 1.27 WHIP in 48 innings this season, having accumulated four saves and 19 holds as a regular set-up man to closer Kirby Yates. Stammen had only blown nine saves in his previous nine seasons, with five of them coming last year.
Stammen (6-4) picked up the win Friday after holding the Dodgers scoreless with two hits and a strikeout over 1.1 innings.
With the score tied 2-2, Stammen came into the game in the seventh inning to replace starter Eric Lauer. The 35-year-old successfully prevented the potent Dodger lineup from causing any damage as both of the hits he allowed were singles. A two-out home run by Hunter Renfroe in the eighth then boosted the Padres ahead to win the game. The veteran setup man has been mostly solid for San Diego this year, compiling a 4.00 ERA, 1.30 WHIP and 35:7 K:BB over 41 appearances.
Stammen struck out three in 1.1 perfect innings of relief to record his fourth save of the season in Wednesday's 10-5 win over the Orioles.
He entered the game with the bases loaded in the eighth inning after Cal Quantrill had walked in a run -- technically a save situation, with the tying run on deck despite the five-run cushion -- and Stammen fanned Dwight Smith to end the threat before breezing through the ninth. The veteran reliever now has a 4.46 ERA and 32:7 K:BB through 40.1 innings on the year, with five wins and 16 holds to go with his saves.
Stammen gave up a hit and two walks in 1.1 scoreless innings while striking out one to record his third save of the season in Wednesday's 8-7 win over the Brewers.
With Kirby Yates having pitched on three straight days and four of the last five, the Padres closer got the day off and left ninth-inning duties to Stammen, who got the job done despite issuing multiple free passes for the first time all year. The veteran setup man now sports a 3.79 ERA and 29:5 K:BB through 38 innings, and Stammen has five wins and 16 holds to go along with his saves.
Stammen (5-3) picked up the win Friday against the Rockies after tossing a scoreless inning, allowing one hit and striking out two.
Stammen came into the 11th inning with the game tied at 11 and managed to keep the Rockies from scoring. The Padres took advantage by tacking on five runs in the 12th inning to gift Stammen with the win. The right-hander had a few ugly recent outings, but overall has a 4.04 ERA, 1.15 WHIP and 26:3 K:BB over 33 appearances.
Stammen (4-3) took the loss against the Nationals on Sunday, giving up four earned runs on five hits while recording two outs in the Padres' 5-2 defeat. He struck out one and walked none.
Stammen has been a reliable cog in San Diego's bullpen, but he had an outing to forget in this contest as he gave up four home runs in a row in the eighth inning to Howie Kendrick, Trea Turner, Adam Eaton and Anthony Rendon. The rough performance bumped his ERA from 3.27 to 4.28 through 33.2 innings, but he still has 15 holds and a 24:3 K:BB, so hopefully this is just a blip in what has otherwise been a solid season.
Stammen picked up the save by striking out one over a scoreless ninth inning Friday night against the Blue Jays.
Stammen struck out the first batter of the inning and drilled the second hitter with a pitch before managing to record the final two outs of the ballgame. He threw nine of 13 pitches for strikes on the way to his second save. Though Kirby Yates is locked in as the closer for the Padres, Stammen has proven himself worthy of save opportunities on nights when Yates is unavailable.
Stammen struck out one in 1.1 perfect innings Monday to record his first save of the season in a 4-0 win over the Mets.
The right-hander entered the game in the eighth inning with the Padres leading 2-0, but after they tacked on a couple of insurance runs to remove a save situation for Kirby Yates, Stammen was allowed to finish the job. His 2.75 ERA and 15:1 K:BB through 19.1 innings are sharp, and San Diego's top setup man now has three wins and nine holds, along with the save, through 17 appearances.
Stammen (3-1) blew the save but ended up with the win, giving up one earned run on one hit in his one inning of work in the Padres' 4-3 win over the Nationals on Friday. He didn't record a strikeout or a walk.
Stammen was tagged with the blown save after giving up a game-tying solo homer to Carter Kieboom, but he wound up getting his third win of the season after Hunter Renfroe came through with a go-ahead homer in the ninth. Despite two blown saves to his name, the 35-year-old righty is doing good work out of the Padres' bullpen so far this season, as he's racked up eight holds to go along with a 3.00 ERA, a 0.93 WHIP and an 11:1 K:BB over 15 innings.
Stammen threw two scoreless innings against the Diamondbacks on Thursday, allowing one hit, striking out two and walking none in the Padres' 4-1 win.
Stammen is off to a great start, as he has yet to give up a run over 4.1 innings coming off his strong Wednesday effort. He posted a 2.73 ERA and 1.04 WHIP in 79 innings while racking up 23 holds in the setup role for the Padres last year, and he looks set to act as the go-option in front of closer Kirby Yates again this season.
Stammen gave up a run on two hits and a walk while striking out one over an inning in Monday's win over Arizona.
Stammen was expected to serve as closer while Kirby Yates (personal) was away from the team this weekend, but the Padres didn't produce a save opportunity over that span. The veteran reliever will revert to his usual setup role. He has a 2.65 ERA and 20 holds over 68 innings this year.
Stammen could be called upon to serve as San Diego's ninth-inning man while Kirby Yates (bereavement) is away from the team.
Yates was placed on the bereavement list prior to Friday's game, which means he will miss at least three games and could be away from the club for up to seven contests. On the year, Stammen has logged a 2.55 ERA and 1.01 WHIP with 74 strikeouts in 67 innings of work, but he's only accumulated one save in his nine-year career.
Stammen danced around two hits and a walk to fire a scoreless inning with a strikeout in Tuesday's 4-3 win over the Rockies.
Stammen got into a bit of hot water while trying to protect a one-run lead, but a timely strikeout and a bases-loaded groundout allowed him to pass the torch to Kirby Yates for the save. The 34-year-old now owns a career-best 19 holds with a 2.70 ERA and 10.1 K/9 over 63.1 innings.
Stammen tossed a scoreless inning with a pair of strikeouts in Game 1 of Sunday's doubleheader against the Phillies.
Stammen has been one of the Friars' more reliable relievers this season, and he will elevate to the club's primary setup man following former closer Brad Hand's trade to Cleveland over the All-Star break. Stammen owns a 2.85 ERA and a sparkling 5.9 K/BB over 47.1 innings this year, and he will receive more opportunities to build on his 14 holds following the promotion in the bullpen.
Stammen struck out five of the eight batters he faced and allowed two base hits Sunday in the Padres' 7-4 loss to the Cubs.
Despite pitching just two innings, Stammen racked up 12 swinging strikes, the highest total among any of the 10 pitchers who took the mound for either side. Even when he wasn't making bats miss, Stammen was inducing weak contact, as all three of the balls put in play were on the ground. The 34-year-old has quietly flown under the radar as one of baseball's top middle relievers over the last seven seasons, accruing a 2.89 ERA and 8.5 K/9 over that span.
Stammen recorded one out after allowing a hit and a walk in Friday's 6-2 win over the Giants.
Stammen got into a bit of hot water before recording the final out in the seventh inning, but he got the job done for his 13th hold of the season. The 34-year-old has been an essential part of the Padres' loaded back end of the bullpen, posting a 2.02 ERA, 0.98 WHIP and 5.6 K/BB ratio over 35.2 innings this season.
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